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Chelsea, MA Profile: Facts & Data

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The City of Chelsea had a population of 39,908 as of 2020-2024 American Community Survey 5-Year Estimates. Chelsea ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Massachusetts. See peer rankings below.

The primary coordinate point for Chelsea is located at latitude 42.3918 and longitude -71.0328 in Suffolk County. The formal boundaries for the City of Chelsea encompass a land area of 2.21 sq. miles and a water area of 0.25 sq. miles. Suffolk County is in the Eastern time zone (GMT -5).

The City of Chelsea has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

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Chelsea Demographic Data
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Chelsea, MA Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION
Total Population	39,908 (100%)
Population Density	17,987 per sq mi
Diversity Index¹	51


INCOME
Median Household Income	$72,179
Per Capita Income	$32,986
Median Home Value	$493,500

HOUSING
Total HU (Housing Units)	14,165 (100%)
Owner Occupied HU	3,568 (25.2%)
Renter Occupied HU	10,148 (71.6%)
Vacant Housing Units	449 (3.2%)

HOUSEHOLDS
Total Households	13,716
Average Household Size	2.85
Family Households	8,030 (58.5%)

NOTES

The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Chelsea, MA - Peer Comparisons by Rank and Percentile

The table below compares Chelsea to the other 248 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description	Rank	Percentile
Total Population	# 38	85th
Population Density	# 3	99th
Median Household Income	# 204	18th
Per Capita Income	# 232	7th
Diversity Index	# 39	85th

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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Chelsea, MA Profile: Facts & Data

Chelsea, Massachusetts - Basic Facts

Chelsea, MA Data & Demographics

POPULATION

INCOME

HOUSING

HOUSEHOLDS

Chelsea, MA - Peer Comparisons by Rank and Percentile

Chelsea, MA - Most Popular Things to Do

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